[Event "Armstrong Cup"]
[Site "Ireland"]
[Date "1995.??.??"]
[Round "?"]
[White "McMahon, Erick"]
[Black "Hurley, John"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2205"]
[PlyCount "81"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "IRL"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. b4 Bg7 5. Bb2 a5 6. a3 axb4 7. axb4 Rxa1 8. Bxa1 c6 9. 0-0 0-0 10. d3 Na6 11. Qe1 Qd6 12. c3 Re8 13. Na3 e5 14. e4 dxe4 15. dxe4 Be6 16. Qe2 Rd8 17. Nc4 Bxc4 18. Qxc4 b5 19. Qa2 c5 20. Nxe5 c4 21. f4 Nc7 22. Qf2 Ne6 23. Bb2 Nd7 24. Nxd7 Rxd7 25. e5 Qd2 26. Bc6 Qxf2+ 27. Rxf2 Rd1+ 28. Kg2 Nc7 29. Bf3 Rd8 30. Bc1 f6 31. Re2 Rd3 32. Bd2 fxe5 33. fxe5 Bxe5 34. Be4 Rxc3 35. Bxc3 Bxc3 36. Bc6 Bxb4 37. Bxb5 Nxb5 38. Rb2 Bd6 39. Rxb5 c3 40. Rb1 Be5 41. Kf3 1/2-1/2

[Event "Ireland-Wales"]
[Site "Dublin"]
[Date "1992.??.??"]
[Round "?"]
[White "Bennett, Allan"]
[Black "McMahon, Erick"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "2205"]
[PlyCount "50"]
[EventDate "1992.??.??"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "IRL"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 a6 3. Nf3 b5 4. a4 Bb7 5. axb5 axb5 6. Rxa8 Bxa8 7. Bd3 c5 8. dxc5 Bxc5 9. 0-0 Ne7 10. Bg5 f6 11. Bh4 Ng6 12. Bg3 b4 13. Nbd2 0-0 14. Nh4 Ne5 15. Bxe5 fxe5 16. Qh5 Qf6 17. Ndf3 Be7 18. Ra1 Nc6 19. Bc4 Kh8 20. Rd1 d6 21. g3 Nd4 22. Nxd4 Qxf2+ 23. Kh1 Bxe4+ 24. Ndf3 Bxh4 25. Rf1 Qxf1+ 0-1

[Event "Ireland-Wales"]
[Site "Dublin"]
[Date "1992.??.??"]
[Round "?"]
[White "McMahon, Erick"]
[Black "Bennett, Allan"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2205"]
[PlyCount "78"]
[EventDate "1992.??.??"]
[EventType "team"]
[EventRounds "2"]
[EventCountry "IRL"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c5 5. cxd5 Nxd5 6. 0-0 Nc6 7. Nc3 Be7 8. b3 Nxc3 9. dxc3 0-0 10. Qc2 Bf6 11. Be3 Qe7 12. Rad1 Rb8 13. Nd2 Nd8 14. Ne4 b6 15. Nxf6+ Qxf6 16. Rd6 Nb7 17. Rd2 Na5 18. Rfd1 Bb7 19. Bf4 Rbd8 20. Bxb7 Rxd2 21. Rxd2 Nxb7 22. Rd7 Na5 23. Qd2 h6 24. h4 Re8 25. Qd3 Nc6 26. Qd6 Ne7 27. Be5 Qf5 28. Qd3 Qxe5 29. Rxe7 Rxe7 30. Qd8+ Kh7 31. Qxe7 Qxe2 32. Qxf7 Qxa2 33. Qxe6 Qa1+ 34. Kg2 Qxc3 35. h5 Qf6 36. Qe4+ Kg8 37. Qd5+ Qf7 38. Qa8+ Kh7 39. Qe4+ Kg8 1/2-1/2

[Event "EU-ch U21"]
[Site "Arnhem"]
[Date "1988.01.02"]
[Round "13"]
[White "McMahon, Erick"]
[Black "Vandevoort, Pascal"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "2290"]
[BlackElo "2015"]
[PlyCount "118"]
[EventDate "1987.12.19"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 Nbd7 6. Ng3 e5 7. d5 h5 8. h4 a5 9. Be2 Nc5 10. Bg5 Qd7 11. Qd2 b6 12. f3 Bb7 13. 0-0-0 0-0-0 14. Kb1 Rdf8 15. Be3 Ne8 16. Nb5 f5 17. Bxc5 dxc5 18. exf5 gxf5 19. Bd3 Kb8 20. Qc2 Bc8 21. Rhe1 Nd6 22. Nxd6 cxd6 23. a3 Qf7 24. Nf1 Kc7 25. Re2 Bd7 26. Nd2 Qf6 27. g3 Rb8 28. Rg1 Rhe8 29. Rgg2 Re7 30. Ka2 Rbe8 31. Re1 Rg8 32. Ree2 Bh8 33. Nf1 Rge8 34. Nd2 Kb7 35. Re1 Kc7 36. Ree2 Rg8 37. Rg1 Bg7 38. Rgg2 Rge8 39. Re1 Kb7 40. Ree2 Kc7 41. Re1 Bh6 42. Ree2 e4 43. fxe4 Bxd2 44. e5 dxe5 45. Qxd2 e4 46. Qf4+ Qd6 47. Bc2 Rg8 48. Qxd6+ Kxd6 49. Kb3 Reg7 50. Re3 Rg4 51. Bd1 Rxh4 52. gxh4 Rxg2 53. Bxh5 Rh2 54. Rg3 Rxh4 55. Bf7 Rh6 56. Rg6+ Rxg6 57. Bxg6 Ke5 58. Kc3 f4 59. Kd2 Kd4 0-1

[Event "EU-ch U21"]
[Site "Arnhem"]
[Date "1987.12.31"]
[Round "12"]
[White "Manninen, Marko"]
[Black "McMahon, Erick"]
[Result "0-1"]
[ECO "E42"]
[BlackElo "2290"]
[PlyCount "72"]
[EventDate "1987.12.19"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 0-0 7. a3 Be7 8. Ng3 d5 9. Be2 dxc4 10. Bxc4 Nc6 11. Be3 a6 12. 0-0 b5 13. Be2 Bb7 14. b4 Rc8 15. Rc1 Rc7 16. Bf3 Rd7 17. Qb3 Qa8 18. Rfd1 Rfd8 19. Nge2 Bf8 20. Rd2 Ne7 21. Bxb7 Qxb7 22. Bg5 Nf5 23. Rcd1 Be7 24. Bxf6 Bxf6 25. d5 Bxc3 26. Nxc3 Ne7 27. d6 Nf5 28. Qc2 Rxd6 29. Ne4 Rxd2 30. Rxd2 Rxd2 31. Qxd2 h6 32. Nc5 Qc7 33. Nxa6 Qe5 34. g3 Nd4 35. Kg2 Qe4+ 36. Kh3 Nf3 0-1

[Event "EU-ch U21"]
[Site "Arnhem"]
[Date "1987.12.30"]
[Round "11"]
[White "McMahon, Erick"]
[Black "Bellini, Fabio"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "2290"]
[BlackElo "2275"]
[PlyCount "120"]
[EventDate "1987.12.19"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. cxd5 Nxd5 6. Bxe7 Qxe7 7. Nf3 Nxc3 8. bxc3 c5 9. e3 0-0 10. Bd3 Nd7 11. 0-0 e5 12. Qc2 h6 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. e4 Qe7 16. Kh1 Be6 17. f4 f6 18. Qe2 Rac8 19. a4 c4 20. Bc2 Kh8 21. Rfd1 Rfd8 22. h3 b6 23. Rxd8+ Rxd8 24. Rd1 a6 25. Rxd8+ Qxd8 26. f5 Bg8 27. e5 fxe5 28. Qxe5 b5 29. axb5 axb5 30. Kh2 b4 31. cxb4 Qd2 32. Be4 Qxb4 33. f6 Qf8 34. fxg7+ Qxg7 35. Qf5 Bh7 36. Qc8+ Qg8 37. Qc6 Qb8+ 38. Kh1 Bxe4 39. Qxe4 Qc7 40. Qg6 c3 41. Qxh6+ Kg8 42. Qg6+ Kf8 43. Qf6+ Ke8 44. Qe6+ Kd8 45. Qg8+ Kd7 46. Qf7+ Kc6 47. Qc4+ Kb6 48. Qb4+ Ka6 49. Qa4+ Qa5 50. Qe8 Qc5 51. Qa4+ Kb6 52. Qb3+ Ka5 53. Qa2+ Kb5 54. Qb3+ Qb4 55. Qd5+ Ka4 56. Kg1 Ka3 57. Kf2 c2 58. Qd3+ Kb2 59. Qe2 Qd4+ 60. Kg3 Kc3 0-1

[Event "EU-ch U21"]
[Site "Arnhem"]
[Date "1987.12.29"]
[Round "10"]
[White "MacKay, Ian D"]
[Black "McMahon, Erick"]
[Result "1/2-1/2"]
[ECO "B83"]
[BlackElo "2290"]
[PlyCount "47"]
[EventDate "1987.12.19"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. f4 Nc6 8. Be3 0-0 9. 0-0 Qc7 10. Kh1 Bd7 11. Qe1 Nxd4 12. Bxd4 Bc6 13. Qg3 Rad8 14. Rae1 b6 15. Bd3 e5 16. fxe5 Nh5 17. Qh3 dxe5 18. Nd5 Bxd5 19. Bxe5 Qxe5 20. exd5 Qg5 21. Rf5 Qh4 22. Qxh4 Bxh4 23. Rxh5 Bxe1 24. Bxh7+ 1/2-1/2

[Event "EU-ch U21"]
[Site "Arnhem"]
[Date "1987.12.28"]
[Round "9"]
[White "McMahon, Erick"]
[Black "Wians, Camille"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2290"]
[BlackElo "2245"]
[PlyCount "96"]
[EventDate "1987.12.19"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. g3 Bf5 5. Bg2 e6 6. 0-0 Be7 7. Bb2 Nbd7 8. d3 0-0 9. Nbd2 a5 10. h3 h6 11. Re1 Bh7 12. a3 Qb8 13. Rc1 Rd8 14. Qc2 Bc5 15. cxd5 cxd5 16. Qb1 Qa7 17. e3 Bb6 18. Bf1 Rac8 19. Qa1 Qa6 20. Ne5 Nxe5 21. Bxe5 Ne8 22. Qb1 f6 23. Ba1 Nd6 24. d4 Bxb1 25. Bxa6 Bc2 26. Bf1 Rc6 27. Bb2 Rdc8 28. Be2 Ba7 29. Bd1 b5 30. Bg4 Kf7 31. Be2 b4 32. a4 Ne4 33. Nxe4 dxe4 34. Bd1 Bb8 35. Kg2 f5 36. Rxc2 Rxc2 37. Bxc2 Rxc2 38. Ba1 g5 39. h4 gxh4 40. gxh4 Kg6 41. Rd1 Bd6 42. Rf1 Kh5 43. Kh3 Bc7 44. Kg2 Kxh4 45. d5 e5 46. d6 Bxd6 47. Rd1 Bc5 48. Bxe5 Bxe3 0-1

[Event "EU-ch U21"]
[Site "Arnhem"]
[Date "1987.12.27"]
[Round "8"]
[White "McMahon, Erick"]
[Black "Kourtesis, Georgios"]
[Result "0-1"]
[ECO "A87"]
[WhiteElo "2290"]
[PlyCount "72"]
[EventDate "1987.12.19"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 g6 3. g3 Bg7 4. Bg2 f5 5. 0-0 Nf6 6. c4 0-0 7. Nc3 Qe8 8. d5 Na6 9. Rb1 c6 10. Nd4 Bd7 11. b3 Nc5 12. Bb2 g5 13. b4 Nce4 14. Nxe4 fxe4 15. Nc2 Qh5 16. Ne3 Rf7 17. f3 cxd5 18. cxd5 exf3 19. exf3 Raf8 20. Qd2 Ne8 21. Bxg7 Nxg7 22. Rbc1 Ne8 23. Qb2 Qg6 24. Qd4 b6 25. Qe4 Qg7 26. Rc2 h5 27. Rfc1 h4 28. Rd2 Qh6 29. Ng4 Qh5 30. Ne3 hxg3 31. hxg3 Rh7 32. Qd4 Bh3 33. Ng4 Ng7 34. Rc7 Bxg2 35. Kxg2 Qh1+ 36. Kf2 Qxf3+ 0-1

[Event "EU-ch U21"]
[Site "Arnhem"]
[Date "1987.12.26"]
[Round "7"]
[White "Meric, Tuncay"]
[Black "McMahon, Erick"]
[Result "1/2-1/2"]
[ECO "B04"]
[BlackElo "2290"]
[PlyCount "96"]
[EventDate "1987.12.19"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 d5 8. f4 0-0 9. 0-0 a5 10. c3 f6 11. Nf3 Na6 12. Be3 c6 13. Nbd2 Be6 14. Bc2 Qd7 15. b3 Nc7 16. Nh4 f5 17. Bd3 Bf7 18. a4 Rfd8 19. g4 e6 20. h3 Qe7 21. Nhf3 Nd7 22. Qc2 Rdc8 23. b4 axb4 24. cxb4 Na6 25. Bxa6 bxa6 26. Rfb1 Be8 27. Nb3 Bf8 28. Nc5 Nb6 29. Kh2 Nc4 30. Bf2 Bh6 31. Qc1 fxg4 32. hxg4 Qf7 33. Kg3 Bd7 34. g5 Bg7 35. Nd2 Nxd2 36. Qxd2 Rcb8 37. Qd3 Rf8 38. Be3 Bc8 39. Ra2 h6 40. Rf2 h5 41. Rfb2 Ra7 42. Ra1 Ra8 43. Bd2 Ra7 44. Rc1 Qe8 45. Nb3 Bd7 46. Rc5 Kh7 47. Ra5 Qa8 48. Nc5 Bc8 1/2-1/2

[Event "EU-ch U21"]
[Site "Arnhem"]
[Date "1987.12.24"]
[Round "6"]
[White "McMahon, Erick"]
[Black "Casagrande, Harald"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2290"]
[BlackElo "2325"]
[PlyCount "42"]
[EventDate "1987.12.19"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 Qb6 5. Qc1 Ne4 6. Bh4 d5 7. c3 Nc6 8. Nbd2 f5 9. Be2 Bd7 10. Bg3 Rc8 11. Nxe4 fxe4 12. Ne5 cxd4 13. exd4 Nxd4 14. Bh5+ g6 15. Qg5 Nc2+ 16. Kd2 Nxa1 17. Bxg6+ hxg6 18. Qxg6+ Kd8 19. Qf6+ Be7 20. Qxh8+ Be8 21. Nf7+ Kd7 1/2-1/2

[Event "EU-ch U21"]
[Site "Arnhem"]
[Date "1987.12.23"]
[Round "5"]
[White "Bern, Ivar"]
[Black "McMahon, Erick"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2275"]
[BlackElo "2290"]
[PlyCount "83"]
[EventDate "1987.12.19"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 e6 7. e3 Be7 8. Bd3 0-0 9. a3 Nh5 10. Bg3 f5 11. b4 Nf6 12. Be2 Bd7 13. 0-0 Ne4 14. Nxe4 fxe4 15. Ne5 Rc8 16. Qb3 Nxe5 17. Bxe5 Qb6 18. b5 Bd6 19. Bxd6 Qxd6 20. Rac1 Rc7 21. Rxc7 Qxc7 22. Qb4 Re8 23. Qc5 Qxc5 24. dxc5 Rc8 25. Rc1 Kf7 26. a4 Ke7 27. Kf1 e5 28. f3 exf3 29. Bxf3 Be6 30. Ke1 g6 31. Kd2 Kd7 32. a5 Ke7 33. Rc3 Kd7 34. Bd1 Bf7 35. b6 axb6 36. cxb6 Rxc3 37. Kxc3 Kc6 38. Kb4 Kd6 39. a6 bxa6 40. Ka5 Kd7 41. Kxa6 d4 42. b7 1-0

[Event "EU-ch U21"]
[Site "Arnhem"]
[Date "1987.12.22"]
[Round "4"]
[White "McMahon, Erick"]
[Black "Spycher, Bernard"]
[Result "1/2-1/2"]
[ECO "E87"]
[WhiteElo "2290"]
[BlackElo "2245"]
[PlyCount "38"]
[EventDate "1987.12.19"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Nh5 8. Qd2 Qh4+ 9. g3 Nxg3 10. Qf2 Nxf1 11. Qxh4 Nxe3 12. Ke2 Nxc4 13. Rc1 Na6 14. Nd1 Nb6 15. Nh3 f6 16. Ne3 Bd7 17. Rhd1 Na4 18. Rd2 N4c5 19. Nf2 Nb4 1/2-1/2

[Event "EU-ch U21"]
[Site "Arnhem"]
[Date "1987.12.21"]
[Round "3"]
[White "Gdanski, Jacek"]
[Black "McMahon, Erick"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "2400"]
[BlackElo "2290"]
[PlyCount "53"]
[EventDate "1987.12.19"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Be7 7. Bb3 Na6 8. Qf3 Nc5 9. Bg5 a6 10. 0-0-0 Bd7 11. Rhe1 0-0 12. Qg3 Nh5 13. Bxe7 Qxe7 14. Qe3 Nf6 15. f4 e5 16. Nf5 Nxb3+ 17. axb3 Bxf5 18. exf5 Rfe8 19. h3 Qc7 20. g4 Rac8 21. Qd2 Qa5 22. Kb1 Rcd8 23. b4 Qc7 24. g5 Nh5 25. Nd5 Qd7 26. fxe5 dxe5 27. Qe2 1-0

[Event "EU-ch U21"]
[Site "Arnhem"]
[Date "1987.12.20"]
[Round "2"]
[White "Sullivan, Jason"]
[Black "McMahon, Erick"]
[Result "1-0"]
[ECO "B81"]
[BlackElo "2290"]
[PlyCount "111"]
[EventDate "1987.12.19"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. h4 h5 8. g5 Ng4 9. Be2 Nc6 10. Nxc6 bxc6 11. Bxg4 hxg4 12. Qxg4 d5 13. g6 Qf6 14. gxf7+ Qxf7 15. Bg5 d4 16. 0-0-0 c5 17. Rhe1 Be7 18. Nb5 0-0 19. Bxe7 Qxe7 20. Qg3 e5 21. Rg1 Qf7 22. h5 Qf6 23. Qg6 Qxg6 24. hxg6 Rf6 25. Nc7 Rb8 26. Nd5 Re6 27. Rg5 Bb7 28. Rh1 Rbe8 29. f3 Bxd5 30. exd5 Rd6 31. Re1 Rf8 32. Rexe5 Rxf3 33. Re8+ Rf8 34. Re7 Rff6 35. Re8+ Rf8 36. Re7 Rff6 37. Rxa7 Rxg6 38. Rxg6 Rxg6 39. Rc7 Rd6 40. Rxc5 Kf7 41. Kd2 g5 42. Kd3 g4 43. Kxd4 g3 44. Rc7+ Kf8 45. Rc3 Rg6 46. Rf3+ Ke7 47. Rf1 Kd6 48. c4 Rg4+ 49. Kc3 g2 50. Rg1 Ke5 51. a4 Rg3+ 52. Kb4 Kd4 53. a5 Rg8 54. Kb5 Rb8+ 55. Kc6 Rxb2 56. d6 1-0

[Event "EU-ch U21"]
[Site "Arnhem"]
[Date "1987.12.19"]
[Round "1"]
[White "McMahon, Erick"]
[Black "Gelfand, Boris"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2290"]
[BlackElo "2510"]
[PlyCount "64"]
[EventDate "1987.12.19"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. Bg5 Nbd7 4. Nbd2 h6 5. Bh4 g5 6. Bg3 Nh5 7. e3 Bg7 8. Bd3 e6 9. c3 b6 10. Qb3 Bb7 11. 0-0-0 Qe7 12. e4 0-0 13. Ng1 c5 14. Ne2 d5 15. Qa3 Rfe8 16. Kb1 Nxg3 17. hxg3 Qd8 18. Bb5 dxe4 19. dxc5 Qc7 20. Nc4 Bc6 21. Bxc6 Qxc6 22. Rd6 Qxc5 23. Qxc5 Nxc5 24. Rhd1 Rec8 25. Ne3 Kf8 26. R6d2 b5 27. Nd4 Rab8 28. Nec2 a5 29. Nb3 Nd3 30. Re2 b4 31. Nxa5 bxc3 32. b3 Rc5 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "2"]
[White "Barua, Dibyendu"]
[Black "McMahon, Erick"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2400"]
[PlyCount "13"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 g6 6. Qf3 c6 7. Qxf7# 1-0

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "6"]
[White "Burgess, Mark R"]
[Black "McMahon, Erick"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "2335"]
[PlyCount "102"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 0-0 5. g3 d6 6. Bg2 Nbd7 7. 0-0 c6 8. Nc3 e5 9. d3 Ne8 10. Nd2 f5 11. b5 c5 12. a4 Nc7 13. a5 Rb8 14. Qb3 Ne6 15. Nd5 Nf6 16. e3 g5 17. Bc3 f4 18. Rae1 Kh8 19. b6 a6 20. Qb2 Ne8 21. Qa1 Bd7 22. Qd1 Nf6 23. Ne4 Bc6 24. Nexf6 Bxf6 25. Be4 Bxd5 26. Bxd5 Ng7 27. g4 Qd7 28. h3 Ne6 29. Qf3 Kg7 30. Qe4 Rh8 31. Qf5 Nf8 32. Qxd7+ Nxd7 33. d4 h5 34. gxh5 Rxh5 35. Be6 cxd4 36. exd4 exd4 37. Bb4 Ne5 38. Bxd6 Nf3+ 39. Kh1 Re8 40. Bg4 Rxh3+ 41. Bxh3 Nxe1 42. Bg4 d3 43. Bb4 Nc2 44. Bd2 Nd4 45. Rd1 f3 46. Bxf3 Nxf3 47. Be3 Rd8 48. c5 Ne5 49. f4 Ng4 50. fxg5 Nxe3 51. gxf6+ Kxf6 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "12"]
[White "Djouadi, MS."]
[Black "McMahon, Erick"]
[Result "1-0"]
[ECO "A60"]
[PlyCount "57"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 b5 5. dxe6 fxe6 6. Bg2 d5 7. cxd5 Nxd5 8. Nh3 Bb7 9. 0-0 Qb6 10. a4 Be7 11. axb5 Qxb5 12. e4 Nf6 13. Nc3 Qb6 14. Nf4 0-0 15. e5 Ne8 16. Bxb7 Qxb7 17. Nxe6 Rf7 18. Qd5 Nc6 19. Bg5 Nc7 20. Nxc7 Rd8 21. Qg2 Qxc7 22. Bxe7 Nxe7 23. f4 Nf5 24. Nd5 Qb7 25. Rfd1 Rfd7 26. Nf6+ gxf6 27. Qxb7 Rxd1+ 28. Rxd1 Rxd1+ 29. Kf2 1-0

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "7"]
[White "McMahon, Erick"]
[Black "Agdestein, Simen"]
[Result "0-1"]
[ECO "D05"]
[BlackElo "2545"]
[PlyCount "70"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 c5 3. c3 Nc6 4. e3 Nf6 5. Bd3 d5 6. Nbd2 Qc7 7. Qe2 Bd7 8. 0-0 0-0-0 9. dxc5 Bxc5 10. c4 dxc4 11. Bxc4 Bd6 12. b3 e5 13. Ng5 Bg4 14. f3 Bh5 15. Nge4 Bb4 16. Bb2 Kb8 17. a3 Ba5 18. b4 Bb6 19. Rac1 Nxe4 20. Nxe4 f5 21. Nc3 Nd4 22. exd4 exd4 23. Kh1 Rhe8 24. Qd3 dxc3 25. Qxc3 Qf4 26. Qxg7 Bc7 27. Qg3 Qxc1 28. Qxc7+ Kxc7 29. Rxc1 Kb8 30. Bb5 Re3 31. f4 a6 32. Ba4 b5 33. Bc2 Rc8 34. Be5+ Kb7 35. h3 Re2 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "3"]
[White "McMahon, Erick"]
[Black "Gil Capape, Javier"]
[Result "0-1"]
[ECO "E29"]
[BlackElo "2300"]
[PlyCount "70"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 0-0 8. Ne2 b6 9. 0-0 Ba6 10. Ng3 Na5 11. e4 Bxc4 12. Bxc4 Nxc4 13. f4 d5 14. Qe2 Na5 15. e5 Ne4 16. f5 Nxg3 17. hxg3 exf5 18. Rxf5 Qd7 19. Qf2 cxd4 20. cxd4 Nb3 21. Rb1 Nxd4 22. Rf4 Nc6 23. Bb2 Rae8 24. Re1 Re6 25. a4 Qe7 26. Rf5 f6 27. Qf3 Qd7 28. Rf1 d4 29. Qb3 Qf7 30. exf6 Rxf6 31. Rxf6 gxf6 32. Qb5 Qe6 33. Bc1 Rd8 34. Qh5 d3 35. Bd2 Nd4 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "1"]
[White "McMahon, Erick"]
[Black "Howell, James C"]
[Result "1-0"]
[ECO "A48"]
[BlackElo "2400"]
[PlyCount "67"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. e3 d6 6. c3 Nbd7 7. Bd3 e5 8. 0-0 Qe8 9. Qc2 h6 10. Bh4 Nh7 11. e4 Ndf6 12. Rfe1 Nh5 13. Nc4 Bg4 14. dxe5 dxe5 15. Nfd2 Nf4 16. Bf1 Bf6 17. Bg3 Nh5 18. Ne3 Bd7 19. Nd5 Bd8 20. Nf3 Nxg3 21. hxg3 c6 22. Ne3 Bc7 23. Bd3 Qe7 24. Rad1 Rfd8 25. Rd2 h5 26. Red1 Nf8 27. Bc4 b5 28. Be2 Ne6 29. Bxb5 Bb6 30. Nxe5 Bxe3 31. Rxd7 Qc5 32. Bxc6 Rxd7 33. Nxd7 Qxc6 34. fxe3 1-0

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "13"]
[White "McMahon, Erick"]
[Black "Ogata, Edson Akio"]
[Result "1/2-1/2"]
[ECO "A01"]
[PlyCount "139"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nf6 3. e3 Qd6 4. f4 Nc6 5. Nf3 Nd7 6. c4 dxc4 7. Bxc4 Nb6 8. Be2 f6 9. 0-0 g6 10. Nc3 Bg7 11. Rc1 0-0 12. d4 Rd8 13. a3 e5 14. d5 Qc5 15. b4 Qxe3+ 16. Kh1 Be6 17. Qb3 Rxd5 18. Qc2 Rd6 19. Nb5 Bf5 20. Bc4+ Kh8 21. Qe2 Qxe2 22. Bxe2 Rd7 23. fxe5 fxe5 24. Nxc7 Rc8 25. Nb5 a6 26. Nc3 e4 27. Ne1 Rd2 28. Ba1 Nd4 29. Bd1 Nd5 30. Kg1 Nxc3 31. Bxc3 Rxc3 32. Rxc3 Ne2+ 33. Bxe2 Bxc3 34. Bc4 b5 35. Bb3 Rb2 36. Bd5 Bd4+ 37. Kh1 Rf2 38. Rxf2 Bxf2 39. Nc2 e3 40. Nd4 Bd3 41. Bf3 Kg7 42. g3 Be1 43. Be2 Be4+ 44. Kg1 Bd5 45. Bd3 Bd2 46. Kf1 Bc1 47. Nc2 Bf3 48. Nd4 Bd1 49. Ne6+ Kf6 50. Nc5 Ke5 51. Nxa6 Kd4 52. Bxb5 Kc3 53. Nc5 Bxa3 54. Ke1 Bg4 55. Ne4+ Kc2 56. Be2 Bxb4+ 57. Kf1 Bf5 58. Ng5 h6 59. g4 hxg5 60. gxf5 gxf5 61. h3 Kd2 62. Bf3 Kd3 63. Be2+ Ke4 64. Kg2 Be1 65. Bf3+ Kd3 66. Kf1 Bf2 67. Be2+ Ke4 68. Kg2 Kf4 69. Bf3 Bh4 70. Be2 1/2-1/2

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "9"]
[White "McMahon, Erick"]
[Black "Prayitno, Sugeng"]
[Result "0-1"]
[ECO "D03"]
[PlyCount "92"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 Ne4 4. Bh4 g6 5. Nbd2 Bg7 6. e3 c5 7. c3 Nc6 8. Bd3 Bf5 9. Qb1 cxd4 10. exd4 Nd6 11. 0-0 Bxd3 12. Qxd3 Nf5 13. Bg3 Nxg3 14. hxg3 0-0 15. Nb3 e6 16. g4 Na5 17. Nbd2 Qc7 18. g3 Nc4 19. Rab1 b5 20. Kg2 Rae8 21. Rh1 f5 22. g5 Rf7 23. Rh2 Bf8 24. Qc2 Bd6 25. Rbh1 Bxg3 26. Rh3 Bf4 27. Nxc4 dxc4 28. Rh4 Bd6 29. R1h3 Qb7 30. Qb1 e5 31. dxe5 Rxe5 32. Qd1 Be7 33. Kg1 Re4 34. Rh6 Bf8 35. R6h4 Rg4+ 36. Kf1 Rd7 37. Qe2 Re7 38. Qd1 Qe4 39. Rxg4 fxg4 40. Nd2 Qd5 41. Re3 Rxe3 42. fxe3 Qh1+ 43. Ke2 Qg2+ 44. Ke1 Be7 45. Nf1 Bxg5 46. Qd7 Bh4+ 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "5"]
[White "McMahon, Erick"]
[Black "Rechlis, Gad"]
[Result "1/2-1/2"]
[ECO "D03"]
[BlackElo "2430"]
[PlyCount "45"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bh4 Be7 5. Nbd2 d5 6. e3 0-0 7. Bd3 c5 8. c3 b6 9. 0-0 Ba6 10. Bxa6 Nxa6 11. Ne5 Qc7 12. f4 Rae8 13. Bxf6 Bxf6 14. Qh5 Nb8 15. Rf3 Kh7 16. Ng4 Bd8 17. Rh3 f5 18. Ne5 Nc6 19. Qg6+ Kh8 20. Nxc6 Qxc6 21. Rxh6+ gxh6 22. Qxh6+ Kg8 23. Qg6+ 1/2-1/2

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "11"]
[White "McMahon, Erick"]
[Black "Schlosser, Michael"]
[Result "0-1"]
[ECO "E70"]
[BlackElo "2255"]
[PlyCount "88"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nge2 d6 6. Ng3 Nfd7 7. h4 Nc6 8. Be3 e5 9. d5 Nd4 10. Nce2 c5 11. Qd2 f5 12. exf5 gxf5 13. Bg5 Qe8 14. 0-0-0 b5 15. Nxd4 cxd4 16. Be2 Nb6 17. Nh5 bxc4 18. Nxg7 Kxg7 19. Bh6+ Kh8 20. Qg5 Qf7 21. Bxf8 Qxf8 22. h5 Bb7 23. h6 Bxd5 24. Rh3 Rc8 25. Rg3 Rc7 26. Bf1 d3 27. Qh4 Be6 28. f3 d5 29. Re1 Nd7 30. Rg7 e4 31. Qf4 Qb4 32. Qg3 d2+ 33. Kc2 dxe1N+ 34. Kb1 Qf8 35. Qxc7 e3 36. Qxa7 f4 37. a4 c3 38. Qd4 Qf5+ 39. Ka2 Qf6 40. Qxf6 Nxf6 41. bxc3 d4+ 42. Kb2 d3 43. Bxd3 Nxd3+ 44. Kc2 e2 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "10"]
[White "Papatheodorou, Theodoros"]
[Black "McMahon, Erick"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "50"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. b3 Nf6 4. e5 Nd5 5. Bb2 Be7 6. g3 0-0 7. Bg2 Nc6 8. 0-0 f6 9. d3 Qc7 10. c4 Nb6 11. exf6 Bxf6 12. Bxf6 Rxf6 13. Nc3 d5 14. Nd2 Qe5 15. cxd5 exd5 16. Rc1 Bf5 17. Nf3 Qd6 18. Nb5 Qf8 19. Nh4 Be6 20. Nc7 Rd8 21. Nxe6 Rxe6 22. Nf3 Rde8 23. Re1 Rxe1+ 24. Nxe1 Nd4 25. Bf1 Rxe1 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "4"]
[White "Puri, Vinny"]
[Black "McMahon, Erick"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "2330"]
[PlyCount "58"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Bg5 Be7 6. Bxe7 Ncxe7 7. Nd2 Nf6 8. e3 c6 9. c5 d5 10. cxd6 Qxd6 11. Nc4 Qc7 12. f4 Be6 13. Ne5 Ned5 14. Nxd5 Bxd5 15. Be2 Qa5+ 16. Kf2 0-0 17. h3 Qd8 18. g4 Ne8 19. h4 Nd6 20. Qg1 Rc8 21. gxf5 Nxf5 22. Bg4 c5 23. Bxf5 Rxf5 24. Qd1 Qb6 25. Qc2 Qe6 26. Rhc1 Rff8 27. Qa4 Qh3 28. Qd7 Be6 29. Rh1 Bxd7 0-1

[Event "Wch U20"]
[Site "Gausdal"]
[Date "1986.??.??"]
[Round "8"]
[White "Rojas Sepulveda, Eduardo"]
[Black "McMahon, Erick"]
[Result "1-0"]
[ECO "A32"]
[WhiteElo "2350"]
[PlyCount "53"]
[EventDate "1986.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NOR"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 a6 4. Nc3 c5 5. g3 cxd4 6. Nxd4 Qc7 7. Qd3 Nc6 8. Nxc6 dxc6 9. Bg2 Be7 10. 0-0 0-0 11. b3 e5 12. Bb2 Be6 13. Rac1 Rad8 14. Qe3 Nd7 15. Nd5 cxd5 16. cxd5 Bc5 17. dxe6 fxe6 18. Ba3 b6 19. Bxc5 bxc5 20. Qd3 Qb6 21. Qc4 Rfe8 22. e3 Qb5 23. Qxb5 axb5 24. Bc6 b4 25. Rfd1 Re7 26. Rd6 Kf7 27. Rcd1 1-0

